Fixed coordinate frame issue in overlay. Outstanding issue of slow rendering of large overlays.

src/ui/map3D/GLOverlayGeode.cc

 #include "GLOverlayGeode.h"
 
 GLOverlayGeode::GLOverlayGeode()
- : mDrawable()
+ : mDrawable(new GLOverlayDrawable)
 {
-
+    addDrawable(mDrawable);
 }
 
 void
 GLOverlayGeode::setOverlay(px::GLOverlay &overlay)
 {
-    mDrawable.setOverlay(overlay);
+    mDrawable->setOverlay(overlay);
+    mCoordinateFrameType = overlay.coordinateframetype();
 
     dirtyBound();
 }
@@ -136,6 +137,9 @@ GLOverlayGeode::GLOverlayDrawable::drawImplementation(osg::RenderInfo&) const
 
     glPushMatrix();
 
+    glScalef(-1.0f, 1.0f, 1.0f);
+    glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
+
     const std::string& data = mOverlay.data();
 
     for (size_t i = 0; i < data.size(); ++i)

src/ui/map3D/GLOverlayGeode.h

@@ -28,7 +28,7 @@ private:
 
         virtual void drawImplementation(osg::RenderInfo&) const;
 
-        osg::BoundingBox computeBound() const;
+        virtual osg::BoundingBox computeBound() const;
 
     private:
         float getFloatValue(const std::string& data, size_t& mark) const;
@@ -37,7 +37,7 @@ private:
         osg::BoundingBox mBBox;
     };
 
-    GLOverlayDrawable mDrawable;
+    osg::ref_ptr<GLOverlayDrawable> mDrawable;
     px::GLOverlay::CoordinateFrameType mCoordinateFrameType;
 };